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Metric Size Standard Miniature Ball Bearings SMR93
Metric Size Standard Miniature Ball Bearings SMR93

Metric Size Standard Miniature Ball Bearings SMR93

The SMR93 is a compact miniature ball bearing, measuring just 3mm in bore diameter and 9mm in outer diameter, with a width of 2.5mm. Made entirely from stainless steel, it offers good resistance to corrosion and wear.

It handles radial loads up to 98 lbf and can spin at impressive speeds of up to 50,400 RPM, making it suitable for high-speed applications. The open design allows for easy lubrication when needed.

With six stainless steel balls and a standard inner ring, this bearing provides smooth operation. Its ABEC1 tolerance ensures reliable performance for general use.

Ideal for small devices like precision instruments or miniature motors where space is limited. Compliant with RoHS and REACH standards, it’s a safe choice for various industries. Weighing only 0.75g, it’s lightweight yet durable.

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Product Parameters

  • Part Number SMR93
  • Brand TFL
  • Interchangeable EZO
  • Bore Dia 3 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 9 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 2.5 mm
  • Width Tolerance -0.12mm to 0
  • Ball Qty 6
  • Ball Dia 1.5880 mm
  • Radial Clearance 0.002mm to 0.013mm
  • Seal Type Open
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Inner Ring Type Standard
  • Tolerance Class ABEC1
  • Radial Clearance Trade No MC3
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 98 lbf
  • Static Radial Load 31 lbf
  • Temperature Range -30° to 110 °C
  • Lubrication Required
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 50400 rpm
  • Weight 0.75 g
  • Price($) 1.242

Features

Why Choose SMR93 Bearing for Precision Tasks?

SMR93 Bearing is crafted with stainless steel rings and balls, ensuring smooth radial movement in compact spaces.
Its small size of 3 mm×9 mm×2.5 mm makes it ideal for miniature applications where precision is key.
The open design allows for easy lubrication, maintaining optimal performance over time.
With a maximum speed of 50,400 rpm, it delivers reliable efficiency in high-speed operations.

Application

Key Fields for SMR93 Bearing
SMR93 Bearing is commonly used in small electric motors, such as those found in drones or RC cars, where its compact size and smooth rotation are beneficial. The stainless steel construction ensures it can handle moderate radial loads without corrosion concerns.

In medical devices like dental tools or insulin pumps, SMR93 Bearing provides quiet and reliable operation. Its open design allows for easy lubrication, which is essential for maintaining hygiene and performance in sensitive applications.

For consumer electronics, SMR93 Bearing fits well in devices like handheld fans or miniature printers. The lightweight design and ABEC1 tolerance make it a cost-effective choice for everyday gadgets.

Automation systems, particularly small robotic arms, benefit from SMR93 Bearing’s precision and durability. The high-speed capability ensures smooth movement in repetitive tasks.

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